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CWE-ou-minkata/Sources/Plasma/PubUtilLib/plGeometry/hsOscillator.cpp

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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Additional permissions under GNU GPL version 3 section 7
If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#include "hsTypes.h"
#include "hsStream.h"
#include "hsOscillator.h"
#include "../plMath/hsFastMath.h"
#include "hsGTriMesh.h"
#include "hsTriangle3.h"
#include "../plPipeline/plPipeline.h"
#if defined(__MWERKS__) && !defined(HS_DEBUGGING)
#pragma optimization_level 0
#endif
static hsScalar rnd0_1()
{
return hsScalar(rand()) / hsScalar(RAND_MAX);
}
void hsWave::Save(hsStream* s, hsScalar secs)
{
fWorldCenter.Write(s);
s->WriteSwapScalar(fWorldFrequency);
s->WriteSwapScalar(fWorldAmplitude);
s->WriteSwapScalar(fPhase);
s->WriteSwapScalar(fRate);
s->WriteSwapScalar(secs - fStartSecs);
s->WriteSwapScalar(fSecsToLive);
}
void hsWave::Load(hsStream* s, hsScalar secs)
{
fWorldCenter.Read(s);
fWorldFrequency = s->ReadSwapScalar();
fWorldAmplitude = s->ReadSwapScalar();
fPhase = s->ReadSwapScalar();
fRate = s->ReadSwapScalar();
fStartSecs = s->ReadSwapScalar();
fStartSecs = secs - fStartSecs;
fSecsToLive = s->ReadSwapScalar();
}
void hsWave::Init(hsScalar secs, hsPoint3& center, hsScalar per, hsScalar amp, hsScalar rate, hsScalar life, hsBool32 attenOut)
{
fStartSecs = secs;
fWorldCenter = center;
fWorldFrequency = hsScalarInvert(per);
fWorldAmplitude = amp;
fRate = rate;
fSecsToLive = life;
AttenuateOut(attenOut);
}
hsBool32 hsWave::IsSpent(hsScalar secs) const
{
return secs - fStartSecs > fSecsToLive;
}
void hsWave::Accumulate(const hsPoint3& pos, const hsVector3& localZ, hsVector3& accum, hsVector3& accumNorm) const
{
hsVector3 del(&pos, &fLocalCenter);
hsScalar dot = del.InnerProduct(localZ);
dot *= -2.f;
del += localZ * dot;
hsScalar dist = del.MagnitudeSquared();
dist = hsFastMath::InvSqrtAppr(dist);
del *= dist;
dist = hsScalarInvert(dist);
hsScalar ampl = fLocalAmplitude;
if( fAttenuateOutScale > 0 )
{
if( dist > fInnerRadius )
{
if( dist > fOuterRadius )
return;
ampl *= fOuterRadius - dist;
ampl *= fAttenuateOutScale;
}
}
dist *= fLocalFrequency;
dist += fPhase;
hsScalar s, c;
hsFastMath::SinCosAppr(dist, s, c);
s *= ampl;
s += ampl;
c *= ampl * fLocalFrequency;
// accum += s * localZ;
accum.fZ += s / localZ.fZ;
hsVector3 norm;
norm = localZ;
norm += del * -c;
accumNorm += norm;
return;
}
void hsWave::Update(hsScalar secs, const hsMatrix44& l2w, const hsMatrix44& w2l)
{
if( l2w.fFlags & hsMatrix44::kIsIdent )
{
fLocalCenter = fWorldCenter;
fLocalFrequency = fWorldFrequency;
fLocalAmplitude = fWorldAmplitude;
}
else
{
hsVector3 ax;
ax.Set(w2l.fMap[0][2], w2l.fMap[1][2], w2l.fMap[2][2]);
hsScalar ooScale = ax.MagnitudeSquared();
ooScale = hsFastMath::InvSqrtAppr(ooScale);
fLocalCenter = w2l * fWorldCenter;
fLocalFrequency = fWorldFrequency * ooScale;
hsScalar scale = 1.f / ooScale;
fLocalAmplitude = fWorldAmplitude * scale;
}
fLocalAmplitude *= AgeScale(secs);
if( fAttenuateOutScale > 0 )
{
fInnerRadius = fRate * (secs - fStartSecs) * hsScalarPI * 2.f;
fOuterRadius = fInnerRadius * (5.f/4.f);
fAttenuateOutScale = hsScalarInvert(fOuterRadius - fInnerRadius);
}
fPhase = -(secs - fStartSecs) * fRate * hsScalarPI * 2.f;
}
hsScalar hsWave::ScaledAmplitude(hsScalar secs) const
{
return fWorldAmplitude * AgeScale(secs);
}
hsScalar hsWave::AgeScale(hsScalar secs) const
{
hsScalar age = secs - fStartSecs;
extern int dbgCurrentTest;
if( dbgCurrentTest )
{
age *= 4.f;
age -= 2.f * fSecsToLive;
if( age < 0 )
age = -age;
age -= fSecsToLive;
}
else
{
age *= 2.f;
age -= fSecsToLive;
if( age < 0 )
age = -age;
}
hsScalar ageScale = 1.f - age / fSecsToLive;
if( ageScale < 0 )
ageScale = 0;
else if( ageScale > 1.f )
ageScale = 1.f;
return ageScale;
}
hsOscillator::hsOscillator()
{
}
hsOscillator::~hsOscillator()
{
}
hsWave& hsOscillator::GetWeakestWave(hsScalar secs)
{
hsAssert(!GetDisabled(), "Shouldn't be messing with disabled oscillator system");
int weakest = 0;
hsScalar amp = fWaves[0].ScaledAmplitude(secs);
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
{
hsScalar tAmp = fWaves[i].ScaledAmplitude(secs);
if( tAmp < amp )
{
weakest = i;
amp = tAmp;
}
}
return fWaves[weakest];
}
hsWave& hsOscillator::GetTempWave(hsScalar secs)
{
int i;
for( i = 0; i < fTempWaves.GetCount(); i++ )
{
if( fTempWaves[i].IsSpent(secs) )
return fTempWaves[i];
}
fTempWaves.Push();
return fTempWaves[fTempWaves.GetCount()-1];
}
void hsOscillator::ISpawnWave(hsScalar secs, int i)
{
hsPoint3 corner;
fWorldCenterBounds.GetCorner(&corner);
hsVector3 ax[3];
fWorldCenterBounds.GetAxes(ax+0, ax+1, ax+2);
hsScalar r;
r = rnd0_1();
ax[0] *= r;
corner += ax[0];
r = rnd0_1();
ax[1] *= r;
corner += ax[1];
r = rnd0_1();
ax[2] *= r;
corner += ax[2];
hsScalar per = fMinPeriod;
r = rnd0_1();
hsScalar rr = r;
r *= fMaxPeriod - fMinPeriod;
per += r;
hsScalar amp = fMinAmplitude;
r = rr * rnd0_1();
r *= fMaxAmplitude - fMinAmplitude;
amp += r;
hsScalar life = fMinLife;
r = rnd0_1();
r *= fMaxLife - fMinLife;
life += r;
hsScalar rate = fMinRate;
r = rnd0_1();
r *= fMaxRate - fMinRate;
rate += r;
fWaves[i].Init(secs, corner, per, amp, rate, life);
}
void hsOscillator::IUpdate(hsScalar secs, plPipeline* pipe, const hsMatrix44& l2w, const hsMatrix44& w2l)
{
if( GetDisabled() )
return;
fWorldCenter = pipe->GetViewPositionWorld();
fWorldCenter.fZ = (fWorldCenterBounds.GetMins().fZ + fWorldCenterBounds.GetMaxs().fZ) * 0.5f;
fLocalCenter = w2l * fWorldCenter;
fLocalToWorld = l2w;
fWorldToLocal = w2l;
fLocalX.Set(w2l.fMap[0][0],w2l.fMap[1][0],w2l.fMap[2][0]);
fLocalX.Normalize();
fLocalY.Set(w2l.fMap[0][1],w2l.fMap[1][1],w2l.fMap[2][1]);
fLocalY.Normalize();
fLocalZ.Set(w2l.fMap[0][2],w2l.fMap[1][2],w2l.fMap[2][2]);
fLocalZ.Normalize();
hsVector3 ax;
hsScalar ooScale;
ax.Set(w2l.fMap[0][0], w2l.fMap[1][0], w2l.fMap[2][0]);
ooScale = ax.MagnitudeSquared();
ooScale = hsFastMath::InvSqrtAppr(ooScale);
fLocalAttenScale.fX = fWorldAttenScale.fX * ooScale;
ax.Set(w2l.fMap[0][1], w2l.fMap[1][1], w2l.fMap[2][1]);
ooScale = ax.MagnitudeSquared();
ooScale = hsFastMath::InvSqrtAppr(ooScale);
fLocalAttenScale.fY = fWorldAttenScale.fY * ooScale;
fLocalAttenScale.fZ = 0;
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
{
if( fWaves[i].IsSpent(secs) )
ISpawnWave(secs, i);
fWaves[i].Update(secs, l2w, w2l);
}
for( i = 0; i < fTempWaves.GetCount(); i++ )
{
while( (i < fTempWaves.GetCount()) && fTempWaves[i].IsSpent(secs) )
fTempWaves.Remove(i, 1);
if( i < fTempWaves.GetCount() )
fTempWaves[i].Update(secs, l2w, w2l);
}
}
hsScalar hsOscillator::IAttenuate(const hsPoint3& in) const
{
const hsPoint3& cen = fLocalCenter;
hsVector3 del(&in, &cen);
hsScalar atX = del.InnerProduct(fLocalX);
atX *= fLocalAttenScale.fX;
if( atX > 0 )
atX = -atX;
atX += 1.f;
if( atX < 0 )
atX = 0;
hsScalar atY = del.InnerProduct(fLocalY);
atY *= fLocalAttenScale.fY;
if( atY > 0 )
atY = -atY;
atY += 1.f;
if( atY < 0 )
atY = 0;
hsScalar at = atX * atY;
return at;
}
void hsOscillator::AdjustWorldBounds(const hsMatrix44& l2w, const hsMatrix44& w2l, hsBounds3Ext& bnd) const
{
if( GetDisabled() )
return;
hsVector3 adj;
adj.Set(0,1.f/fLocalZ.fZ,0);
adj = l2w * adj;
adj *= fMaxAmplitude * fWaves.GetCount();
bnd.Union(&adj);
adj = -adj;
bnd.Union(&adj);
}
void hsOscillator::IPerterb(const hsPoint3& in, hsGVertex3& out) const
{
hsPoint3 pos = in;
hsVector3 del(&pos, &fLocalCenter);
hsScalar dot = del.InnerProduct(fLocalZ);
pos += fLocalZ * -dot;
hsVector3 accum;
hsVector3 accumNorm;
accum.Set(0,0,0);
accumNorm.Set(0,0,0);
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
{
fWaves[i].Accumulate(pos, fLocalZ, accum, accumNorm);
}
for( i = 0; i < fTempWaves.GetCount(); i++ )
{
fTempWaves[i].Accumulate(pos, fLocalZ, accum, accumNorm);
}
hsScalar atten = IAttenuate(pos);
static int attenuating = 1;
if( attenuating ) // nuke me
accum *= atten;
out.fLocalPos = in + accum;
hsScalar invNorm = hsFastMath::InvSqrtAppr(accumNorm.MagnitudeSquared());
accumNorm *= invNorm;
out.fNormal = accumNorm;
}
void hsOscillator::Read(hsStream* s)
{
int n = s->ReadSwap32();
SetNumWaves(n);
fWorldAttenScale.Read(s);
fWorldCenterBounds.Read(s);
fMinPeriod = s->ReadSwapScalar();
fMaxPeriod = s->ReadSwapScalar();
fMinAmplitude = s->ReadSwapScalar();
fMaxAmplitude = s->ReadSwapScalar();
fMinRate = s->ReadSwapScalar();
fMaxRate = s->ReadSwapScalar();
fMinLife = s->ReadSwapScalar();
fMaxLife = s->ReadSwapScalar();
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
fWaves[i].Kill();
fTempWaves.Reset();
}
void hsOscillator::Load(hsStream* s, hsScalar secs)
{
Read(s);
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
fWaves[i].Load(s, secs);
fTempWaves.Reset();
}
void hsOscillator::Write(hsStream* s)
{
s->WriteSwap32(fWaves.GetCount());
fWorldAttenScale.Write(s);
fWorldCenterBounds.Write(s);
s->WriteSwapScalar(fMinPeriod);
s->WriteSwapScalar(fMaxPeriod);
s->WriteSwapScalar(fMinAmplitude);
s->WriteSwapScalar(fMaxAmplitude);
s->WriteSwapScalar(fMinRate);
s->WriteSwapScalar(fMaxRate);
s->WriteSwapScalar(fMinLife);
s->WriteSwapScalar(fMaxLife);
}
void hsOscillator::Save(hsStream* s, hsScalar secs)
{
Write(s);
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
fWaves[i].Save(s, secs);
}
void hsOscillator::SetNumWaves(int n)
{
fWaves.SetCount(n);
int i;
for( i = 0; i < n; i++ )
fWaves[i].Kill();
}
void hsOscillator::Init(int32_t nParams, hsScalar* params)
{
// NumWaves = 1
// AttenScale = 2
// WorldCenterBounds = 6
// Period = 2
// Amp = 2
// Rate = 2
// Life = 2
hsAssert(17 == nParams, "Parameter input mismatch");
SetNumWaves(int(*params++));
fWorldAttenScale.fX = *params++;
fWorldAttenScale.fY = *params++;
fWorldAttenScale.fZ = 0;
hsPoint3 pt;
hsBounds3Ext bnd;
pt.fX = *params++;
pt.fY = *params++;
pt.fZ = *params++;
bnd.Reset(&pt);
pt.fX = *params++;
pt.fY = *params++;
pt.fZ = *params++;
bnd.Union(&pt);
SetWorldCenterBounds(bnd);
SetPeriodRange(params[0], params[1]);
params += 2;
SetAmplitudeRange(params[0], params[1]);
params += 2;
SetRateRange(params[0], params[1]);
params += 2;
SetLifeRange(params[0], params[1]);
fTempWaves.Reset();
}
#if 1
hsGTriMesh* hsOscillator::MakeWaveMesh(int nSpokes, const hsPoint3& center, hsScalar minRad, hsScalar maxRad, hsScalar uRange, hsScalar vRange, hsScalar attenStartFrac, hsBool32 stitch)
{
hsGTriMesh* triMesh = new hsGTriMesh;
hsTArray<hsScalar> radii;
hsScalar cRad = 0;
while( cRad < maxRad )
{
// OOPS - for the half circle, this should be PI*R/n, not 2PI. Don't fix until we've corrected the callers. Or we might want to leave it like
// this anyway, since we're looking obliquely at these faces anyway, and this error stretches the side that perspective compresses. May
// want to make the unstitched version wrong in the same way.
hsScalar tRad = 2.f * hsScalarPI * cRad / nSpokes;
if( tRad < minRad )
tRad = minRad;
cRad += tRad;
radii.Append(cRad);
}
int nShell = radii.GetCount();
int nTris = stitch
? 2 * nSpokes * (nShell-1) + nSpokes
: 2 * (nSpokes-1) * (nShell-1) + (nSpokes-1);
int nVerts = nSpokes * nShell + 1;
triMesh->AllocatePointers(nTris, nVerts, nVerts, nVerts);
triMesh->SetNumTriVertex(nVerts);
triMesh->SetNumPoints(nVerts);
triMesh->SetNumUvs(nVerts);
triMesh->SetHasColors(true);
*triMesh->GetPoint(0) = center;
triMesh->GetNormal(0)->Set(0,1.f,0);
triMesh->GetColor(0)->Set(0,0,0,1.f);
triMesh->GetUvs(0)->fX = triMesh->GetUvs(0)->fY = triMesh->GetUvs(0)->fZ = 0;
hsScalar iToRadians = stitch
? 2.f * hsScalarPI / nSpokes
: hsScalarPI / nSpokes;
hsScalar attenStart = maxRad * attenStartFrac;
hsScalar attenEnd = maxRad;
hsScalar attenScale = hsScalarInvert(attenEnd - attenStart);
int i, j;
for( i = 0; i < nSpokes; i++ )
{
hsScalar s = hsSine(i * iToRadians);
hsScalar c = hsCosine(i * iToRadians);
for( j = 0; j < nShell; j++ )
{
hsAssert(1 + i*nShell + j < nVerts, "Going out of range on verts");
hsGVertex3* vtx = triMesh->GetVertex(1 + i*nShell + j);
hsColorRGBA* col = triMesh->GetColor(1 + i*nShell + j);
hsGUv* uv = triMesh->GetUvs(1 + i*nShell + j);
hsScalar x = c * radii[j];
hsScalar y = s * radii[j];
hsScalar u = x / uRange;
hsScalar v = y / vRange;
vtx->fLocalPos.fX = center.fX + x;
vtx->fLocalPos.fY = center.fY + y;
vtx->fLocalPos.fZ = 0.f;
vtx->fNormal.Set(0,0,1.f);
uv->fX = u;
uv->fY = v;
uv->fZ = 0.f;
if( radii[j] > attenStart )
{
hsScalar a = (attenEnd - radii[j]) * attenScale;
if( a < 0 )
a = 0;
else if( a > 1.f )
a = 1.f;
col->Set(0,0,0,a);
}
else
col->Set(0,0,0,1.f);
}
}
int spokeEnd = stitch ? nSpokes : nSpokes-1;
int nextTri = 0;
for( i = 0; i < spokeEnd; i++ )
{
hsTriangle3* tri = triMesh->GetTriFromPool(nextTri);
tri->Zero();
tri->fOrigTri = tri;
triMesh->SetTriangle(nextTri++, tri);
tri->fVert[0] = triMesh->GetTriVertex(0);
tri->fVert[0]->fVtx = triMesh->GetVertex(0);
tri->fVert[0]->SetNumUvChannels(1);
tri->fVert[0]->fUvChan[0] = triMesh->GetUvs(0);
tri->fVert[0]->fVtxColor = triMesh->GetColor(0);
int iv0 = 1 + i * nShell;
int iv1 = i < nSpokes - 1 ? 1 + (i+1)*nShell : 1;
hsAssert((iv0 < nVerts)&&(iv1 < nVerts), "Out of range on triverts");
tri->fVert[1] = triMesh->GetTriVertex(iv0);
tri->fVert[1]->fVtx = triMesh->GetVertex(iv0);
tri->fVert[1]->SetNumUvChannels(1);
tri->fVert[1]->fUvChan[0] = triMesh->GetUvs(iv0);
tri->fVert[1]->fVtxColor = triMesh->GetColor(iv0);
tri->fVert[2] = triMesh->GetTriVertex(iv1);
tri->fVert[2]->fVtx = triMesh->GetVertex(iv1);
tri->fVert[2]->SetNumUvChannels(1);
tri->fVert[2]->fUvChan[0] = triMesh->GetUvs(iv1);
tri->fVert[2]->fVtxColor = triMesh->GetColor(iv1);
tri->fVert[0]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[1]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[2]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fFlags |= hsTriangle3::kHasVertexPosNorms
| hsTriangle3::kHasVertexUvs
| hsTriangle3::kHasVertexColors
| hsTriangle3::kHasPointers;
int iv2 = iv0 + 1;
int iv3 = iv1 + 1;
hsAssert((iv1 < nVerts)&&(iv2 < nVerts), "Out of range on triverts");
for( j = 0; j < nShell-1; j++ )
{
tri = triMesh->GetTriFromPool(nextTri);
tri->Zero();
tri->fOrigTri = tri;
triMesh->SetTriangle(nextTri++, tri);
tri->fVert[0] = triMesh->GetTriVertex(iv0);
tri->fVert[0]->fVtx = triMesh->GetVertex(iv0);
tri->fVert[0]->SetNumUvChannels(1);
tri->fVert[0]->fUvChan[0] = triMesh->GetUvs(iv0);
tri->fVert[0]->fVtxColor = triMesh->GetColor(iv0);
tri->fVert[1] = triMesh->GetTriVertex(iv2);
tri->fVert[1]->fVtx = triMesh->GetVertex(iv2);
tri->fVert[1]->SetNumUvChannels(1);
tri->fVert[1]->fUvChan[1] = triMesh->GetUvs(iv2);
tri->fVert[1]->fVtxColor = triMesh->GetColor(iv2);
tri->fVert[2] = triMesh->GetTriVertex(iv3);
tri->fVert[2]->fVtx = triMesh->GetVertex(iv3);
tri->fVert[2]->SetNumUvChannels(1);
tri->fVert[2]->fUvChan[0] = triMesh->GetUvs(iv3);
tri->fVert[2]->fVtxColor = triMesh->GetColor(iv3);
tri->fVert[0]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[1]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[2]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fFlags |= hsTriangle3::kHasVertexPosNorms
| hsTriangle3::kHasVertexUvs
| hsTriangle3::kHasVertexColors
| hsTriangle3::kHasPointers;
tri = triMesh->GetTriFromPool(nextTri);
tri->Zero();
tri->fOrigTri = tri;
triMesh->SetTriangle(nextTri++, tri);
tri->fVert[0] = triMesh->GetTriVertex(iv0);
tri->fVert[0]->fVtx = triMesh->GetVertex(iv0);
tri->fVert[0]->SetNumUvChannels(1);
tri->fVert[0]->fUvChan[0] = triMesh->GetUvs(iv0);
tri->fVert[0]->fVtxColor = triMesh->GetColor(iv0);
tri->fVert[1] = triMesh->GetTriVertex(iv3);
tri->fVert[1]->fVtx = triMesh->GetVertex(iv3);
tri->fVert[1]->SetNumUvChannels(1);
tri->fVert[1]->fUvChan[0] = triMesh->GetUvs(iv3);
tri->fVert[1]->fVtxColor = triMesh->GetColor(iv3);
tri->fVert[2] = triMesh->GetTriVertex(iv1);
tri->fVert[2]->fVtx = triMesh->GetVertex(iv1);
tri->fVert[2]->SetNumUvChannels(1);
tri->fVert[2]->fUvChan[0] = triMesh->GetUvs(iv1);
tri->fVert[2]->fVtxColor = triMesh->GetColor(iv1);
tri->fVert[0]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[1]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[2]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fFlags |= hsTriangle3::kHasVertexPosNorms
| hsTriangle3::kHasVertexUvs
| hsTriangle3::kHasVertexColors
| hsTriangle3::kHasPointers;
iv0++;
iv1++;
iv2++;
iv3++;
}
}
hsAssert(nextTri <= nTris, "Out of range on tris");
triMesh->StoreOrigPoints();
return triMesh;
}
#endif